Catalina Pella defeated Aleksandrina Naydenova 6-4 6-4 in the Asuncion 25K round of 32 on clay. The upset overturned the form book — Aleksandrina Naydenova came in leading the head-to-head 1–0, but Catalina Pella had been the form player, winning 3 of their last 6 on clay. Catalina Pella claimed a first win over Aleksandrina Naydenova in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-03-21 | Rancagua 10K | F | clay | Aleksandrina Naydenova | 3-6 6-2 6-2 |
Averages over each player's completed matches in the selected window (25 vs 35). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About